this is my pen .改为意思相同的句子 this is a（ ）

this is my pen 改为疑问句 this is my pen 改为同义句 this is my pen .改为意思相同的句子 this is a（ ） This is not my pen.(改为肯定句) This is my pen.Thanks.（改为同义句） This is my pen.------ ------.除了thank you还有哪些? This is my pen pai in Canada.什么意思 this is a my pen This is my blue pen.(改为一般疑问句）()this () blue pen?This is a white key.(对划线部分提问)()()this? this is a pen.改为复数句 This is a pen.改为一般疑问句 This is a pen.(改为复数形式) This is not my pen.M______ is 英语句型转换 This is my blue pen.改为一般疑问句 It is my pen.(改为复数形式) This is my a pen?对还是This is a my pen?对This is my pen？ This litter is ( )my pen friend Tony this letter is from my pen p___ this is my pen的同义句